AI City Challenge Dataset Quick Access

AI City Challenge datasets are now available without requiring a data access request form. Password protection has been removed for all datasets listed below:

Note: Only the datasets explicitly listed in this section remain available for download. All other AI City Challenge datasets not included below are no longer accessible.

Evaluation and Participation Guidelines

The evaluation servers for the following years remain open:

To participate effectively, please review PAST CHALLENGES (for historical context and prior benchmarks) and corresponding sections of CHALLENGE → Data and Evaluation and INFO → FAQs.
Each team is limited to one account per evaluation system. Teams must register using an institutional or non-commercial email address (e.g., university, research lab, or company domain). Commercial or personal email addresses (e.g., Gmail, QQmail, Outlook.com) will not be approved for evaluation access. After completing registration, please email aicitychallenges@gmail.com to notify the organizers of your evaluation system sign-up and request approval. Please allow 2–3 business days for account verification and approval.

  • Public Leaderboard: Teams must strictly avoid using any private data or private pre-trained models during training or validation.
  • General Leaderboard: No restrictions on data sources or pre-trained models.

Leaderboards 

Below is a quick access to all the existing public leaderboards since 2019: